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2100202100984 = 231328181716591
BaseRepresentation
bin11110100011111101110…
…011001101100011111000
321102202222200202222122102
4132203331303031203320
5233402203214212414
64244453003442532
7304506652211201
oct36437563154370
97382880688572
102100202100984
1173a766374399
1229b049526448
13123081bb54a0
14739166bc5a8
153996ed38ede
hex1e8fdccd8f8

2100202100984 has 32 divisors (see below), whose sum is σ = 4240949106240. Its totient is φ = 969288297600.

The previous prime is 2100202100963. The next prime is 2100202101043. The reversal of 2100202100984 is 4890012020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572529 + ... + 3289119.

It is an arithmetic number, because the mean of its divisors is an integer number (132529659570).

Almost surely, 22100202100984 is an apocalyptic number.

It is an amenable number.

2100202100984 is an abundant number, since it is smaller than the sum of its proper divisors (2140747005256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100202100984 is a wasteful number, since it uses less digits than its factorization.

2100202100984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744791 (or 744787 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 2100202100984 its reverse (4890012020012), we get a palindrome (6990214120996).

The spelling of 2100202100984 in words is "two trillion, one hundred billion, two hundred two million, one hundred thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 28181 56362 112724 225448 366353 716591 732706 1433182 1465412 2866364 2930824 5732728 9315683 18631366 37262732 74525464 20194250971 40388501942 80777003884 161554007768 262525262623 525050525246 1050101050492 2100202100984